issue-39848.rs « issues « ui « test « src - rust - https://github.com/rust-lang/rust

blob: 5d1db7be857332b527d7ad21210258c9d7e5a14a (plain)

macro_rules! get_opt {
    ($tgt:expr, $field:ident) => {
        if $tgt.has_$field() {}
    }
}

fn main() {
    get_opt!(bar, foo);
    //~^ ERROR expected `{`, found `foo`
}